ファイル存在チェックの強化

lib/review/epubmaker/epubcommon.rb

@@ -1,6 +1,6 @@
 # = epubcommon.rb -- super class for EPUBv2 and EPUBv3
 #
-# Copyright (c) 2010-2019 Kenshi Muto and Masayoshi Takahashi
+# Copyright (c) 2010-2021 Kenshi Muto and Masayoshi Takahashi
 #
 # This program is free software.
 # You can distribute or modify this program under the terms of
@@ -70,7 +70,7 @@ def opf_coverimage
           item = contents.find { |content| content.coverimage?(config['coverimage']) }
 
           unless item
-            raise "coverimage #{config['coverimage']} not found. Abort."
+            raise ApplicationError, "coverimage #{config['coverimage']} not found. Abort."
           end
 
           %Q(    <meta name="cover" content="#{item.id}"/>\n)
@@ -107,7 +107,7 @@ def cover
 
         if config['coverimage']
           @coverimage_src = coverimage
-          raise "coverimage #{config['coverimage']} not found. Abort." unless @coverimage_src
+          raise ApplicationError, "coverimage #{config['coverimage']} not found. Abort." unless @coverimage_src
         end
         @body = ReVIEW::Template.generate(path: './html/_cover.html.erb', binding: binding)
 
@@ -338,7 +338,7 @@ def produce_write_common(basedir, tmpdir)
 
           fname = "#{basedir}/#{item.file}"
           unless File.exist?(fname)
-            raise "#{fname} is not found."
+            raise ApplicationError, "#{fname} is not found."
           end
 
           FileUtils.mkdir_p(File.dirname("#{tmpdir}/OEBPS/#{item.file}"))

lib/review/pdfmaker.rb

@@ -318,12 +318,16 @@ def copy_images(from, to)
     end
 
     def make_custom_page(file)
+      if file.nil?
+        return nil
+      end
+
       file_sty = file.to_s.sub(/\.[^.]+\Z/, '.tex')
       if File.exist?(file_sty)
-        return File.read(file_sty)
+        File.read(file_sty)
+      else
+        raise ReVIEW::ConfigError, "File #{file} is not found."
       end
-
-      nil
     end
 
     def join_with_separator(value, sep)
@@ -442,6 +446,10 @@ def erb_config
           end
       end
 
+      if @config['coverimage'] && !File.exist?(File.join(@config['imagedir'], @config['coverimage']))
+        raise ReVIEW::ConfigError, "coverimage #{@config['coverimage']} is not found."
+      end
+
       @locale_latex = {}
       part_tuple = I18n.get('part').split(/%[A-Za-z]{1,3}/, 2)
       chapter_tuple = I18n.get('chapter').split(/%[A-Za-z]{1,3}/, 2)
@@ -471,6 +479,8 @@ def latex_config
         result << "%% END: config-local.tex.erb\n"
       end
       result
+    rescue StandardError => e
+      error! "template or configuration error: #{e.message}"
     end
 
     def template_content